Home / 9,129,025,643.60-13,693,538,465.40-8,512,270,648.40

Finding the Fourth Proportional to 9,129,025,643.60, 13,693,538,465.40 and 8,512,270,648.40

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Solution

The fourth proportional to 9,129,025,643.60, 13,693,538,465.40 and 8,512,270,648.40 is: 12,768,405,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129,025,643.60 : 13,693,538,465.40 = 8,512,270,648.40 : x
  2. Step 2: Convert to fraction form
    9,129,025,643.60/13,693,538,465.40 = 8,512,270,648.40/x
  3. Step 3: Cross multiply
    9,129,025,643.60x = 13,693,538,465.40 × 8,512,270,648.40
  4. Step 4: Simplify right side
    9,129,025,643.60x = 116,563,105,551,760,785,408
  5. Step 5: Solve for x
    x = 116,563,105,551,760,785,408/9,129,025,643.60
  6. Step 6: Final answer
    x = 12,768,405,972.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.